16731232061 has 4 divisors (see below), whose sum is σ = 16755445824. Its totient is φ = 16707018300.

The previous prime is 16731232051. The next prime is 16731232109. The reversal of 16731232061 is 16023213761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16023213761 = 367 ⋅43659983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16731232061 is a prime.

It is a super-5 number, since 5×16731232061⁵ (a number of 52 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16731232051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12105845 + ... + 12107226.

It is an arithmetic number, because the mean of its divisors is an integer number (4188861456).

Almost surely, 2^16731232061 is an apocalyptic number.

It is an amenable number.

16731232061 is a deficient number, since it is larger than the sum of its proper divisors (24213763).

16731232061 is an equidigital number, since it uses as much as digits as its factorization.

16731232061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24213762.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 16731232061 in words is "sixteen billion, seven hundred thirty-one million, two hundred thirty-two thousand, sixty-one".